August weather forecast
Nantes, France

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An aerial panorama of the colorful and dense city of Nantes in France
An aerial panorama of the colorful and dense city of Nantes in France

Weather in August

August in Nantes exhibits the last leg of summer heat, accompanied by extended hours of daylight. The weather supports a vibrant outdoor lifestyle, packed with beach visits and evening walks. As the end of the month approaches, there is a noticeable reduction in temperature, signifying the forthcoming change of season. Nevertheless, August records the maximum average high-temperature for the city, hitting 24.3°C (75.7°F).

Temperature

The warmest temperatures in Nantes occur during August, when averages reach a peak of 24.3°C (75.7°F) and a low of 14°C (57.2°F).

Humidity

August and September, with an average relative humidity of 74%, are the least humid months.

Rainfall

In Nantes, France, in August, during 10.8 rainfall days, 25mm (0.98") of precipitation is typically accumulated. Throughout the year, in Nantes, there are 158.5 rainfall days, and 472mm (18.58") of precipitation is accumulated.

Snowfall

In Nantes, snow does not fall in March, May through October and December.

Daylight

The average length of the day in August is 14h and 11min.
On the first day of August in Nantes, sunrise is at 06:45 and sunset at 21:39. On the last day of the month, sunrise is at 07:24 and sunset at 20:48 CEST.

Sunshine

In Nantes, the average sunshine in August is 8.9h.

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index in Nantes. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 5 in August translates into this advice:
Be vigilant - Preventing sunburn is recommended. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Frequently asked questions

What is the hottest time of year in Nantes?

The highest temperatures in Nantes, France, are recorded in August, with averages reaching a high of 24.3°C (75.7°F) and a low of 14°C (57.2°F).

What are August temperatures in Nantes?

In August, the average high-temperature and low-temperature in Nantes, France, are 24.3°C (75.7°F) and 14°C (57.2°F) respectively.

What are the least humid months in Nantes?

The months with the lowest humidity are August and September, with an average relative humidity of 74%.

What is the average humidity in August in Nantes?

The average relative humidity in August in Nantes, France, is 74%.

How much does it rain in Nantes in August?

In Nantes, France, in August, it is raining for 10.8 days, with typically 25mm (0.98") of accumulated precipitation.

When it does not snow in Nantes?

March, May through October and December are months without snowfall in Nantes, France.

How many hours of daylight does Nantes have in August?

The average day length in August in Nantes, France, is 14h and 11min.

What time are sunrise and sunset in August in Nantes?

In August, on the first day of the month, sunrise is at 06:45 and sunset at 21:39. On the last day of the month, in Nantes, France, sunrise is at 07:24 and sunset at 20:48 CEST.

How long on average sun shines in August in Nantes?

In Nantes, France, the average sunshine duration in August is 8.9h.

When is the highest UV index in Nantes?

June through August, with an average maximum UV index of 5, are months with the highest UV index in Nantes.

What is the UV index intensity in August in Nantes?

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Nantes, France

Average temperature in August - Nantes, France
  • Average high temperature in August: 24.3°C

The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (8.9°C).

  • Average low temperature in August: 14°C

The months with the highest average low temperature are July and August (14°C).
The coldest month (with the lowest average low temperature) is February (2.9°C).

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Average pressure in August
Nantes, France

Average pressure in August - Nantes, France
  • Average pressure in August: 1017.3mbar

The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).

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Average wind speed in August
Nantes, France

Average wind speed in August - Nantes, France
  • Average wind speed in August: 11.8km/h

The windiest month (with the highest average wind speed) is February (18km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).

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Average humidity in August
Nantes, France

Average humidity in August - Nantes, France
  • Average humidity in August: 74%

The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are August and September (74%).

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Average rainfall in August
Nantes, France

Average rainfall in August - Nantes, France
  • Average rainfall in August: 25mm

The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is September (21mm).

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Average rainfall days in August
Nantes, France

Average rainfall days in August - Nantes, France
  • Average rainfall days in August: 10.8 days

The month with the highest number of rainy days is January (16.3 days).
The month with the least rainy days is September (8.2 days).

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Average snowfall in August
Nantes, France

Average snowfall in August - Nantes, France
  • Average snowfall in August: 0mm

The month with the highest snowfall is January (2mm).
The months with the least snowfall are March, May, June, July, August, September, October and December (0mm).

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Average snowfall days in August
Nantes, France

Average snowfall days in August - Nantes, France
  • Average snowfall days in August: 0 days

The months with the highest number of snowfall days are January and February (0.5 days).
The months with the least snowfall days are March, May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Nantes, France

Average daylight in August / Average sunshine in August - Nantes, France
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in August: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in August
Nantes, France

Average sunshine days in August - Nantes, France
  • Average sunshine days in August: 17.3 days

The month with the most sunshine days is September (20.2 days).
The month with the least sunshine days is November (11.6 days).

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Average UV index in August
Nantes, France

Average UV index in August - Nantes, France
  • Average UV index in August: 5

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Nantes, France

Average cloud cover in August - Nantes, France
  • Average cloud cover in August: 35

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 34).

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Average visibility in August
Nantes, France

Average visibility in August - Nantes, France
  • Average visibility in August: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

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Nantes, France

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